package javase.collections;

import java.util.HashMap;
import java.util.Map;
import java.util.Set;

public class DebugHepler {
	@SuppressWarnings("unused")
	public static void main(String[] args) {
		Map<String, Integer> map = new HashMap<String, Integer>();
		map.put("one", 1);
		map.put("two", 2);
		Set<String> keySet = map.keySet();
		System.out.println("");
	}
}
